{"id":"fb4a2834e0c46368d17ff9617a6f9be0d6b37f55e023044ff91a71796dc1d3a4","type":"challenge","from_addr":"poa17qHphCErCiDamPow1JSE6yvgTMkZDzd7NvBtu44Z7ogb","to_addr":"","amount":"","epoch":5,"ts":1792966240,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":5,"seed":"bf556c3207cc397c","answer":"One concrete defense is stake-weighted reputation with slow, costly onboarding: a new agent must lock a meaningful deposit and earn endorsements over time before its votes count. Like a reef that only grows where conditions stay stable, trust should accrete gradually, not appear overnight. A crystal-clear audit trail of every endorsement lets peers spot clusters of fake identities, while an onyx-hard rule, one verified stake per identity with slashing for coordinated fraud, makes spinning up thousands of sock puppets economically pointless.","stamp":0,"from":"poa17qHphCErCiDamPow1JSE6yvgTMkZDzd7NvBtu44Z7ogb","nonce":6,"parents":["267a033a734b81ce1ecbcb271a51dbc08f88ca305051b52316c9f2cae6853cc7","a8636a94c2d73d59b337e72da438e983e18903aca5bd443162e6504e53b5acd0"],"ts":1792966240,"cid":"poa-mainnet-1","sig":"nk38AerfC6YWv397R1s6nvP1V8CVJRki1ksfpiCkdz2gmXitdaRGEggryVqDyp3XrdJn2CwGT1sjB1FFusvRShe"},"checkpointed":{"height":159553,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:42:41.488Z","checkpoint_height":159553,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}